In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example The white and gold dress, and the illusion of free will Felipe Contreras Blue Floral Square Neck Midi Dress & Reviews Blue Dresses RIHOAS Origin of White Gold or Black Blue Dress Business Insider How to see The Dress BOTH ways (Black & Blue or White & Gold) Toy Life